RAD Studio VCL Reference
TParameter.Size Property

Specifies the size of a string type parameter.

property Size: Integer;
__property int Size;

Set Size to indicate the maximum number of characters the parameter may contain. By default, Size is zero.

Note: Size only pertains to string type parameters (like CHAR and VARCHAR). For numeric type parameters, use the NumericScale and Precision properties. For other column types, Size should remain set to zero.

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